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ReadyNAS312 Resyncing at every start-up
Hi All....
So this week is turning in to a bit of a ReadyNAS saga. The problem right now is that I have two new 4Gb hard drives in a ReadyNAS312, with the unit factory reset to get them to format and then behave properly.
It now appears that at every startup, the 312 decides that the drives need to be re-synced. When this happened the first time after the factory reset I thought, oh, ok, maybe it just needs to do that. It ran overnight and the logs show it completed the sync process.
At power up this evening, though, to configure the backups, it started resyncing again. And is indicating this is an 8 hours process even though there is no data on the drives.
Any idea why this is happening, or how to stop it?
(The longer story: the unit has had 2 x 2Gb Hitachi drives in it. These were very nearly full, and one was showing an error. So I purchased the new new Toshiba 4Gb drives, installed one, let it sync, installed the other, let it sync back. However, even after all of this and after multiple re-starts the unit refused to expand the volume to the new 4Gb size, continuing to show it as 2Gb nearly full. So at that point I factory reset the whole unit. Now it does show 2 x 4Gb drives and does show the available capacity as just under 4Gb, but I don't want to start putting data onto the unit until I resolve this re-syncing issue.
As an aside, throughout this process the NAS, which is running 6.6.1, will randomly show a message stating 'an error has occurred; errors in this application might cause it to work incorrectly', with buttons for 'details' (which shows nothing), 'logs' (which shows a blank log) and 'ignore', which does then take you to the admin screen.
)
Any thoughts on any of this greatly received as I am becoming very frustrated by this product where things that are 'just meant to happen' frequently don't.
Thanks,
Rob.
7 Replies
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Rob_Halliday wrote:
And is indicating this is an 8 hours process even though there is no data on the drives.
RAID resync operates below the file system, so every block in the volume is synced (even free space) - so the time is normal.
The NAS will resync if the system is improperly shutdown - but it shouldn't be doing that if you shut it down through the web ui or the power schedule.
Did you check the SMART statistics on the drives? You do this on the performance tab. click on the icon next to each drive (e.g. the round ball), and you will see reallocated sectors, pending sectors, ATA errors, etc. If you aren't sure if they are normal, post them here.
Hiya,
There are no errors showing on either of the drives.
I'd have said the system had only ever been shut down properly since the factory reset, but I had it in my head that that involved pressing and holding the power button until the NAS shut down. Checking the manual again, it says that proper shutdown from the front panel is to double press the power button, so maybe press-and-hold does trigger an improper shutdown?
So I guess we'll wait six hours then have another go.
However:
- any thoughts on this 'Error Reporter: An error has occurred' message that now appears every time I browse to the admin page?
- should the unit have had to spend six hours syncing the drives immediately after a factory reset (when one would have assumed it would just have formatted both drives and marked them as synced)?
Thanks,
Rob.
Rob_Halliday wrote:
- any thoughts on this 'Error Reporter: An error has occurred' message that now appears every time I browse to the admin page?
Now that we've gotten past the resync...
I don't know what's provoking this. You might try PMing mdgm (using the messages link in the upper right), and ask if he'd be willing to analyze your logs.
Rob_Halliday wrote:Gb
I presume you mean TB (TeraByte), not Gb (Gigabit) :D
Press and hold is a forceful shutdown, so RAID resync is expected after that.
About the resync after Factory Default, you confuse formatting and resync. Formatting is related to the filesystem and resync to the RAID array. When you create a RAID array, it needs to be resynced. This occurs at block level, even if the filesystem created on top of it is empty.
https://raid.wiki.kernel.org/index.php/Initial_Array_Creation
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